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<html lang="en">
<head>
	<meta charset="UTF-8" />
	<meta name="Keywords" content="js特效，html5特效，canvas特效" />
	<title>彩虹雨效果</title>
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		#canvas {
			background: #000;
			display: block;
		}
	</style>
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	<canvas id="canvas">您的浏览器不支持cnavas绘图，请您更换浏览器!!</canvas>
	<script src="main.js"></script>
</body>
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